pulumi-components-test 0.0.5

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Python Component as Component

This is a proof of concept to build a provider from Python code using type annotations to define the schema.

Usage

Subclass pulumi.ComponentResource and use type annotations to define the schema:

# A class defining the inputs for the component
@dataclass
class ServiceArgs:
    region: pulumi.Input[str]
    project: pulumi.Input[str]
    app_path: Optional[pulumi.Input[str]] = "./app"
    image_name: Optional[pulumi.Input[str]] = "image"

# The component class that will be constructed by the provider
class Service(pulumi.ComponentResource):
    # Define the outputs of the component
    url: pulumi.Output[Optional[str]]
    image_digest: pulumi.Output[str]

    def __init__(
        self,
        name: str,
        args: ServiceArgs,
        opts: Optional[pulumi.ResourceOptions] = None,
    ):
        super().__init__("cloudrun:index:Service", name, {}, opts)
        # Create your resources etc.

Create a hosting provider for the class by adding a __main__.py file that uses componentProviderHost:

from component.host import componentProviderHost
from component.metadata import Metadata

componentProviderHost(
    Metadata(name="my-component", version="1.2.3", display_name="My Component")
)

Example

The example folder contains a component in my-component that generates a self-signed certificate. The pulumi_project_yaml folder contains a Pulumi YAML project that uses The pulumi_project_py folder contains a Pulumi Python project that uses the component via the generated SDK.

cd example/pulumi_project_py
pulumi package gen-sdk ../my-component --out ../generated-sdk --language python
uv add --editable ../generated-sdk/python
pulumi preview

Updating (dev)

View in Browser (Ctrl+O): https://app.pulumi.com/v-julien-pulumi-corp/example/dev/updates/27

     Type                                         Name         Status
 +   pulumi:pulumi:Stack                          example-dev  created (9s)
 +   └─ my-component:index:SelfSignedCertificate  cert         created
 +      └─ tls:index:PrivateKey                   cert-ca      created (0.31s)
 +         ├─ tls:index:PrivateKey                cert-key     created (0.55s)
 +         └─ tls:index:SelfSignedCert            cert-ca      created (1s)

Outputs:
    cert: {
        algorithm  : "ECDSA"
        ca_cert_pem: "-----BEGIN CERTIFICATE-----...-----END CERTIFICATE-----\n"
        ecdsa_curve: "P224"
        private_key: [secret]
        rsa_bits   : 2048
        urn        : "urn:pulumi:dev::example::my-component:index:SelfSignedCertificate::cert"
    }

Resources:
    + 5 created

Duration: 11s

Alternatively, add the package with package add, but this requires the Python Pulumi SDK to handle parameterization in sdk/python/lib/pulumi/provider/provider.py.

pulumi package add ../my-component